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1.
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Beam-based commissioning of a novel X-band transverse deflection structure with variable polarization
/ González Caminal, P (DESY) ; Christie, F (DESY) ; D'Arcy, R (DESY) ; Jaster-Merz, S M (DESY) ; Assmann, R (DESY) ; Burkart, F (DESY) ; Conrad, B (DESY) ; Dinter, H (DESY) ; Foese, M (DESY) ; Herrmann, J (DESY) et al.
Longitudinal electron-beam diagnostics play a critical role in the operation and control of x-ray free-electron lasers, which rely on parameters such as the current profile, the longitudinal phase space, or the slice emittance of the particle distribution. On the one hand, the femtosecond-scale electron bunches produced at these facilities impose stringent requirements on the resolution achievable with the diagnostics. [...]
2024 - 19 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 032801
Fulltext: PDF;
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2.
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The PolariX-TDS Project: Bead-Pull Measurements and High-Power Test on the Prototype
/ Craievich, Paolo (PSI, Villigen) ; Aßmann, Ralph (DESY) ; Bopp, Markus (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Catalán Lasheras, Nuria (CERN) ; Christie, Florian (DESY) ; Citterio, Alessandro (PSI, Villigen) ; D'Arcy, Richard (DESY) ; Dorda, Ulrich (DESY) ; Foese, Manon (DESY) et al.
A collaboration between DESY, PSI and CERN has been established to develop and build an advanced modular X- band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel X-band TDS, the Polarizable X-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. [...]
2019 - 4 p.
- Published in : 10.18429/JACoW-FEL2019-WEP036
Fulltext: PDF;
In : 39th International Free Electron Laser Conference, Hamburg, Germany, 26 - 30 Aug 2019, pp.WEP036
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3.
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Novel $X$ -band transverse deflection structure with variable polarization
/ Craievich, P (PSI, Villigen) ; Bopp, M (PSI, Villigen) ; Braun, H H (PSI, Villigen) ; Citterio, A (PSI, Villigen) ; Fortunati, R (PSI, Villigen) ; Ganter, R (PSI, Villigen) ; Kleeb, T (PSI, Villigen) ; Marcellini, F (PSI, Villigen) ; Pedrozzi, M (PSI, Villigen) ; Prat, E (PSI, Villigen) et al.
A collaboration between DESY, PSI and CERN has developed and built an advanced modular X-band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel X-band TDS, the polarizable $X$-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. [...]
2020 - 22 p.
- Published in : Phys. Rev. Accel. Beams 23 (2020) 112001
Fulltext: PDF;
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4.
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Status of the Polarix-TDS Project
/ Craievich, Paolo (PSI, Villigen) ; Aßmann, Ralph (DESY) ; Bopp, Markus (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Catalán Lasheras, Nuria (CERN) ; Christie, Florian (DESY) ; D'Arcy, Richard (DESY) ; Dorda, Ulrich (DESY) ; Foese, Manon (DESY) ; Ganter, Romain (PSI, Villigen) et al.
A collaboration between DESY, PSI and CERN has been established to develop and build an advanced modular X-band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. This innovative CERN design requires very high manufacturing precision to guarantee highest azimuthal symmetry of the structure to avoid the deterioration of the polarization of the streaking field. [...]
CERN-ACC-2018-157.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPAL068
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAL068
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5.
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X-Band TDS Project
/ Marchetti, Barbara (DESY) ; Aßmann, Ralph (DESY) ; Beutner, Bolko (DESY) ; Bopp, Markus (PSI, Villigen) ; Branlard, Julien (DESY) ; Braun, Hans-Heinrich (PSI, Villigen) ; Catalán Lasheras, Nuria (CERN) ; Christie, Florian (DESY) ; Craievich, Paolo (PSI, Villigen) ; D'Arcy, Richard (DESY) et al.
Based on the success of the X-Band Transverse Deflecting Structure (TDS) diagnostic at LCLS*, a collaboration between DESY, PSI and CERN has formed with the aim of developing and building an advanced modular X-Band TDS system. The designed TDS has the new feature of providing variable polarization of the deflecting field**. [...]
CERN-ACC-2017-257.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPAB044
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB044
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6.
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Design of a Normal Conducting Cavity for Arrival Time Stabilization at FLASH
/ Fakhari, M. (DESY) ; Flöttmann, K. (DESY) ; Pfeiffer, S. (DESY) ; Schlarb, H. (DESY) ; Rossbach, J. (Hamburg U.)
It has been shown, that beam-based feedback loops stabilize the bunch arrival time in the femtoseconds range. However, further minimizing the bunch arrival time jitter requires a faster actuator that is a normal conducting cavity with higher bandwidth compared to narrow-band superconducting cavities. [...]
CERN-ACC-2016-0046.-
Geneva : CERN, 2016
- Published in :
Fulltext: PDF;
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPMA029
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7.
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Letter of Intent for a Demonstration Experiment in Proton-Driven Plasma Wakefield Acceleration
/ Adli, E ; An, W ; Assmann, R ; Bingham, R ; Caldwell, A ; Chattopadhyay, S ; Delerue, N ; Dias, F M ; Efthymiopoulos, I ; Elsen, E et al.
We propose an experiment on proton-driven plasma wakefield acceleration (PDPWA) which could lead to a future TeV-scale e+- collider of much reduced length compared to conventional designs. [...]
CERN-SPSC-2011-020 ; SPSC-I-240.
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2011.
Fulltext
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8.
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Single-shot Longitudinal Bunch Profile Measurements at FLASH Using Electro-optic Detection Techniques
/ Phillips, P J (Dundee U.) ; Arsov, V R (DESY) ; Berden, G ; Gillespie, W A (Dundee U.) ; Jamison, S P (Daresbury) ; MacLeod, A ; Schlarb, H (DESY) ; Schmidt, B (DESY) ; Schmüser, P (DESY) ; Steffen, B (PSI, Villigen) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.TUPC081
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9.
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Results from the Optical Replica Experiments in FLASH
/ Ziemann, V G (Uppsala U.) ; Angelova, G (Uppsala U.) ; Boedewadt, J (Hamburg U.) ; Hamberg, M (Stockholm U.) ; Khan, S (Hamburg U.) ; Larsson, M (Stockholm U.) ; Loehl, F (DESY) ; Meseck, A (BESSY, Berlin) ; Saldin, E (DESY) ; Salen, P M (Stockholm U.) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.TUPC114
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10.
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Experimental Determination of the Timing Stability of the Optical Synchronization System at FLASH
/ Loehl, F (DESY) ; Arsov, V R (DESY) ; Felber, M (DESY) ; Hacker, K E (DESY) ; Lorbeer, B (DESY) ; Ludwig, F (DESY) ; Matthiesen, K H (DESY) ; Schlarb, H (DESY) ; Schmidt, B (DESY) ; Schulz, S (Hamburg U.) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.TUPC135
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